#10-24 Tap Drill Size
Use a #25 drill for a #10-24 UNC tap — .1495" (3.80 mm).
This drill gives roughly 75% thread, the standard for cut taps. For a form (roll) tap use the larger drill from the tap maker's chart.
Nearby taps
| Tap | Drill | Decimal |
|---|---|---|
| #8-32 UNC | #29 | .1360 |
| #10-32 UNF | #21 | .1590 |
Printable PDF version - Tap Drill Chart
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.